SAJ Solar Pump Inverter/Frequency Converter for Pump
Flexibility
Compatible with any IEC three-phase asynchronous motors
Compatible with popular solar arrays
Grid main supply optional
Reliability
10-year market proven experience of leading motor and pump drive technology
Soft start feature to prevent water hammer and increase system life
Smart IGBT module integrated to simplify system design, reduce board space, simplify the manufacturing process and thus
Improves system reliability
Built-in overvoltage, overload, overheat and dry-run motor protection
Smartness
Self-adaptive maximum power point tracking technology with up to 99% efficiency
Automatic regulation of pump flow
Self-adaptation to the drive used in the installation
Smart multi-pump control card optional for more efficient solar energy utilization
Cost effectiveness
Plug-and-play system design
Embedded pump functions
Battery-free for most applications
Effortless maintenance
Remote Monitoring
Standard RS485 interface equipped for each solar pump controller
Optional GPRS/Wi-Fi/Ethernet RJ45 modules for remote access
Spots value of solar pump parameters monitoring available from anywhere
History of solar pump parameters and events lookup support
Android/iOS monitoring APP support
Product Photos 
| Controller Model | PDS23-2SR75 | PDS23-2S1R5 | PDS23-2S2R2 | PDS23-4T2R2 | PDS23-4T004 | PDS23-4T5R5 | PDS23-4T7R5 | PDS23-4T011 |
| Input Data |
| PV Source |
| Max Input Voltage(Voc) [V] | 450 | 800 |
| Recommended voltage, at | 280VDC~360VDC | 500VDC~700VDC |
| Mpp |
| Recommended PV array | 0.9-1.2 | 1.8-2.4 | 2.7-3.5 | 2.7-3.5 | 4.8-6.4 | 6.6-8.8 | 9.0-12.0 | 13.2-17.6 |
| Power [kW] |
| Alternate AC Generator |
| Input voltage | 220/230/240V AC(±15%), Single Phase | 380/400/415/440VAC(±15%), Three Phase |
| Max AMPS(RMS) [A] | 8.2 | 14 | 23 | 5.8 | 10.5 | 14.6 | 20.5 | 26 |
| Power and VA capability [kVA] | 1.5 | 3 | 4 | 4 | 5.9 | 8.9 | 11 | 17 |
| Output Data |
| Output Power, rated [kW] | 0.75 | 1.5 | 2.2 | 2.2 | 4 | 5.5 | 7.5 | 11 |
| Output Voltage, rated | 220-240VAC, Three Phase | 380/400/415/440VAC, Three Phase |
| Max AMPS(RMS) [A] | 4 | 7 | 9.6 | 5.1 | 9 | 13 | 17 | 25 |
| Output Frequency | 0-50Hz/60Hz |
| Protection | Integrated |
| Surge protection | Integrated |
| Overvoltage protection | Integrated |
| Undervoltage protection | Integrated |
| Locked pump protection | Integrated |
| Open circuit protection | Integrated |
| Short circuit protection | Integrated |
| Overheated protection | Integrated |
| Dry run protection | Integrated |
| Communication |
| MODBUS communication card | Optional, RS-485 isolated |
Global Exhibition 
About SAJ
Guangzhou Sanjing Electric Co., Ltd (hereinafter referred to as SAJ) is a professional leading provider of motor drive and control technology, renewable energy conversion, transmission and storage solutions. Established in 2005 with the registered capital of 50.4 million RMB, SAJ has a strong Research & Development and technical team which accounts for the total number of 50% employees in the company.
SAJ pushes forward independent innovation of key technology such as the high performance frequency vector control, motion control, and photovoltaic power generation. SAJ has been awarded national high-tech enterprise, top 20 companies for patent creator in Guangzhou development zone (2012), Intertek "authorized satellite lab" and so on. As of December 2016, the company has been authorized or is applying for 19 invention patents, 58 utility model patents, 9 exterior design patents, 18 software copyrights and 6 software product registrations.
SAJ specializes in providing low voltage variable frequency drives, servo drives, solar pumping system, solar inverters for distributed solar power plants, monitoring solutions etc. With 16 branch offices and 50 service centers in China, SAJ's service network has expanded in Germany, Switzerland, Belgium, UK, Netherlands, Denmark, Poland, Turkey, South Africa, Brazil, Chile, Mexico, Middle East, India, Sri Lanka, Thailand, Australia and other countries.
Adhering to the concept of "integrity, learning, innovation, win-win cooperation", SAJ is a leading provider of drive & zero-carbon and energy-saving technology. We work collaboratively to build intelligent and efficient energy environment, making lives better, happier, and healthier for people everywhere.
With American technical background, Guangzhou Sanjing Electric Co., Ltd(hereinafter referred to as SAJ) is a professional leading provider of motor drive and control technology, renewable energy conversion, transmission and storage solutions. Established in 2005, with the registered capital of 50.4 million RMB, SAJ has a strong Research & Development and technical service team which accounts for 50% of total employees in the company.
Focusing on the technical innovation, SAJ masters the leading technology of high performance frequency vector control, motion control, and photovoltaic power generation. SAJ has been awarded as National High-tech Enterprise, Top 20 Company for Patent Creator in Guangzhou Development Zone (2012), Intertek "Authorized Satellite Lab", Guangzhou "Little Giant" Enterprise of Science & Technology, Guangdong Solar Inverter Engineering & Technology Research Center and so on. So far, the company has been authorized 19 invention patents, 58 utility model patents, 9 exterior design patents, 18 software copyrights and 6 software product registrations.
SAJ specialized in providing professional distributed solar inverter, energy storage hybrid solar inverter and monitoring solution, general frequency drive, smart pump drive, and solar pumping system. Now regarding the total shipment, SAJ general frequency drive (<11kW) ranks Top 5, smart pump drive and solar pumping system as Top 1 in domestic market, meanwhile, SAJ solar inverters has been awarded the Top 10 solar inverter brand in China for last three consecutive years, and become the golden supplier of Belgium largest community solar project. For the residential solar inverter (1kW-10kw), SAJ monthly average shipment has become the Top 3 as the first choice for residential solar investment, so far, SAJ has provided distributed solar inverters & solutions for poverty alleviation projects from more than 18 provinces, and established partnership with Top 3 residential system integrator in China(CMIG and SolarQT Technology).
With the strategy of localized service network, SAJ has 16 branch offices and 50 service centers in China, overseas service center has expanded to Germany, Switzerland, Belgium, Netherlands, UK, Denmark, Poland, Brazil, Mexico, India, Sri Lanka, Thailand, Australia and other countries. With the superior quality and comprehensive service network, SAJ has successfully applied 1 million sets of products around the world.
Adhering to the concept of "integrity, learning, innovation, win-win cooperation", SAJ is devoted to the development of the leading drive & zero-carbon and energy saving technology, to build green, smart and efficient energy environment, to make lives better, happier, and healthier.
